Geophysics 325 : Gravity, magnetic and electrical methods

A:Introduction

• Outline of Geophysics 325
• A1,A2 and A3 : Introduction to Geophysics

B:Gravity exploration

• B:Summary of gravity exploration
• B2:Physics of gravity exploration
• B3:Gravity anomalies of some simple shapes
• B4:Other factors that cause changes in g and need to be corrected
• B5:Instrumentation and field procedures
• B6:Analysis techniques for gravity data
• B7:Applications of gravity exploration
• B8:Isostacy and the structure of the Earth

C:Electrical resistivity exploration

• C:Summary of resistivity methods
• C1:Electrical resistivity of different soil and rock types
• C2:Electric current flow in a half-space
• C3:Electric current flow in a two-layer Earth
• C4:Electric current flow in a multi-layer Earth
• C5:Field techniques for DC resistivity exploration
• C6:Apparent resistivity of a 2-D resistivity model
• C7:Applications of DC resistivity exploration
• C8: Overview of electrical and electromagnetic exploration methods

D:Magnetic exploration

• D:Summary of magnetic exploration
• D1:Basic Physics
• D3:The Earth's magnetic field
• D4:Magnetic fields of simple geological structures
• D5:Instrumentation and data collection techniques
• D6:Magnetic exploration methods - data analysis techniques
• D7:Applications of magnetic exploration methods